A new publication, Great Lakes Water Levels, 1860-1970, has been issued by the Lakes Survey Center of the National Oceanic and Atmospheric Administration. The book contains tabular records of monthly and annual average water surface elevations for each of the more than 50 permanent gages in the Lake Survey network. There are also summaries of the average and extreme levels recorded. There are about 180 pages of the various figures, a location map for the permanent gage sites, and a geographical index. The book is to be reissued at five-year intervals.